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- Welcome to our store！ - It Is An Honor To Meet You - Offering beautiful items to loved ones- Product gross weight: 350g Product size: 25.5 * 8.9 * 8.9 Box size: 48 * 44 * 54cm Box specification: 40 pieces Box weight: 15.6kg Battery: 14500 lithium-ion battery Battery capacity: 2000MAH Product voltage: 5V Charging current: 1000MA Charging time: 4-6 hours Usage time: 2 minutes per day Battery life: 20 days Product noise: 65dB Target audience: Over 10 years old Work instructions: Power on/white light Water tank capacity: 300ml Waterproof grade: IPX6 (domestic waterproof) Product List: Host * 1, Charging Cable * 1, Instruction Manual * 1, Nozzles * 5 Product certification: CE ROHS FCC FDA batteries have UN, MSDS, and other certifications Features: Interdental massage, clean oral cavity, strong pulse, and waterproof machine. Caring for cleanliness, solving various oral problems, clean and residue free interdental space, 300ml large water tank capacity, and three modes can be switched freely: Soft mode: Mild water pressure, suitable for beginners and those with sensitive oral habits High pressure mode: high water pressure, clean, suitable for most people Pulse mode: Pulse water pressure, can massage gums, cushion whole body washing with water Pulse frequency: 1st gear 1400, 2nd gear 1000, 3rd gear 1100